Question: Cairo is located in which country that began on May second in the year 1250?
Paraphrase: On May 2nd, 1250, what country began where Cairo is located?
SPARQL (Wikidata): SELECT ?obj WHERE { wd:Q85 p:P17 ?s . ?s ps:P17 ?obj . ?s pq:P580 ?x filter(contains(YEAR(?x),'1250')) }